/*  $NetBSD: nameser_compat.h,v 1.1.1.2 2004/11/07 01:28:27 christos Exp $  */

/* Copyright (c) 1983, 1989
 *    The Regents of the University of California.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *  This product includes software developed by the University of
 *  California, Berkeley and its contributors.
 * 4. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

/*
 *      from nameser.h  8.1 (Berkeley) 6/2/93
 *  Id: nameser_compat.h,v 1.8 2006/05/19 02:33:40 marka Exp
 */

#ifndef _ARPA_NAMESER_COMPAT_
#define _ARPA_NAMESER_COMPAT_

#define __BIND      19950621    /* (DEAD) interface version stamp. */

#include <endian.h>

/*
 * Structure for query header.  The order of the fields is machine- and
 * compiler-dependent, depending on the byte/bit order and the layout
 * of bit fields.  We use bit fields only in int variables, as this
 * is all ANSI requires.  This requires a somewhat confusing rearrangement.
 */

typedef struct {
    unsigned    id :16;     /* query identification number */
#if BYTE_ORDER == BIG_ENDIAN
            /* fields in third byte */
    unsigned    qr: 1;      /* response flag */
    unsigned    opcode: 4;  /* purpose of message */
    unsigned    aa: 1;      /* authoritive answer */
    unsigned    tc: 1;      /* truncated message */
    unsigned    rd: 1;      /* recursion desired */
            /* fields in fourth byte */
    unsigned    ra: 1;      /* recursion available */
    unsigned    unused :1;  /* unused bits (MBZ as of 4.9.3a3) */
    unsigned    ad: 1;      /* authentic data from named */
    unsigned    cd: 1;      /* checking disabled by resolver */
    unsigned    rcode :4;   /* response code */
#endif
#if BYTE_ORDER == LITTLE_ENDIAN || BYTE_ORDER == PDP_ENDIAN
            /* fields in third byte */
    unsigned    rd :1;      /* recursion desired */
    unsigned    tc :1;      /* truncated message */
    unsigned    aa :1;      /* authoritive answer */
    unsigned    opcode :4;  /* purpose of message */
    unsigned    qr :1;      /* response flag */
            /* fields in fourth byte */
    unsigned    rcode :4;   /* response code */
    unsigned    cd: 1;      /* checking disabled by resolver */
    unsigned    ad: 1;      /* authentic data from named */
    unsigned    unused :1;  /* unused bits (MBZ as of 4.9.3a3) */
    unsigned    ra :1;      /* recursion available */
#endif
            /* remaining bytes */
    unsigned    qdcount :16;    /* number of question entries */
    unsigned    ancount :16;    /* number of answer entries */
    unsigned    nscount :16;    /* number of authority entries */
    unsigned    arcount :16;    /* number of resource entries */
} HEADER;

#define PACKETSZ    NS_PACKETSZ
#define MAXDNAME    NS_MAXDNAME
#define MAXCDNAME   NS_MAXCDNAME
#define MAXLABEL    NS_MAXLABEL
#define HFIXEDSZ    NS_HFIXEDSZ
#define QFIXEDSZ    NS_QFIXEDSZ
#define RRFIXEDSZ   NS_RRFIXEDSZ
#define INT32SZ     NS_INT32SZ
#define INT16SZ     NS_INT16SZ
#define INT8SZ      NS_INT8SZ
#define INADDRSZ    NS_INADDRSZ
#define IN6ADDRSZ   NS_IN6ADDRSZ
#define INDIR_MASK  NS_CMPRSFLGS
#define NAMESERVER_PORT NS_DEFAULTPORT

#define S_ZONE      ns_s_zn
#define S_PREREQ    ns_s_pr
#define S_UPDATE    ns_s_ud
#define S_ADDT      ns_s_ar

#define QUERY       ns_o_query
#define IQUERY      ns_o_iquery
#define STATUS      ns_o_status
#define NS_NOTIFY_OP    ns_o_notify
#define NS_UPDATE_OP    ns_o_update

#define NOERROR     ns_r_noerror
#define FORMERR     ns_r_formerr
#define SERVFAIL    ns_r_servfail
#define NXDOMAIN    ns_r_nxdomain
#define NOTIMP      ns_r_notimpl
#define REFUSED     ns_r_refused
#define YXDOMAIN    ns_r_yxdomain
#define YXRRSET     ns_r_yxrrset
#define NXRRSET     ns_r_nxrrset
#define NOTAUTH     ns_r_notauth
#define NOTZONE     ns_r_notzone
/*#define BADSIG        ns_r_badsig*/
/*#define BADKEY        ns_r_badkey*/
/*#define BADTIME       ns_r_badtime*/


#define DELETE      ns_uop_delete
#define ADD     ns_uop_add

#define T_A     ns_t_a
#define T_NS        ns_t_ns
#define T_MD        ns_t_md
#define T_MF        ns_t_mf
#define T_CNAME     ns_t_cname
#define T_SOA       ns_t_soa
#define T_MB        ns_t_mb
#define T_MG        ns_t_mg
#define T_MR        ns_t_mr
#define T_NULL      ns_t_null
#define T_WKS       ns_t_wks
#define T_PTR       ns_t_ptr
#define T_HINFO     ns_t_hinfo
#define T_MINFO     ns_t_minfo
#define T_MX        ns_t_mx
#define T_TXT       ns_t_txt
#define T_RP        ns_t_rp
#define T_AFSDB     ns_t_afsdb
#define T_X25       ns_t_x25
#define T_ISDN      ns_t_isdn
#define T_RT        ns_t_rt
#define T_NSAP      ns_t_nsap
#define T_NSAP_PTR  ns_t_nsap_ptr
#define T_SIG       ns_t_sig
#define T_KEY       ns_t_key
#define T_PX        ns_t_px
#define T_GPOS      ns_t_gpos
#define T_AAAA      ns_t_aaaa
#define T_LOC       ns_t_loc
#define T_NXT       ns_t_nxt
#define T_EID       ns_t_eid
#define T_NIMLOC    ns_t_nimloc
#define T_SRV       ns_t_srv
#define T_ATMA      ns_t_atma
#define T_NAPTR     ns_t_naptr
#define T_A6        ns_t_a6
#define T_TSIG      ns_t_tsig
#define T_IXFR      ns_t_ixfr
#define T_AXFR      ns_t_axfr
#define T_MAILB     ns_t_mailb
#define T_MAILA     ns_t_maila
#define T_ANY       ns_t_any

#define C_IN        ns_c_in
#define C_CHAOS     ns_c_chaos
#define C_HS        ns_c_hs
/* BIND_UPDATE */
#define C_NONE      ns_c_none
#define C_ANY       ns_c_any

#define GETSHORT        NS_GET16
#define GETLONG         NS_GET32
#define PUTSHORT        NS_PUT16
#define PUTLONG         NS_PUT32

#endif /* _ARPA_NAMESER_COMPAT_ */
